package jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;

/**
 * 执行DML语句
 */
public class JDBCDemo02 {
    public static void main(String[] args) {
        try {
            Class.forName("com.mysql.cj.jdbc.Driver");
            Connection connection = DriverManager.getConnection(
                    "jdbc:mysql://localhost:3306/tedu?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true",
                    "root",
                    "root"
            );
            System.out.println("与数据库连接成功");
            Statement statement = connection.createStatement();
            /*
                INSERT INTO userinfo(username,password,nickname,age)
                VALUES('张三','123456','阿三',22);
             */
            String sql = "INSERT INTO userinfo(username,password,nickname,age)\n" +
                         "VALUES('张三','123456','阿三',22);";
            int num = statement.executeUpdate(sql);
            if (num>0)
                System.out.println("插入记录成功");
            connection.close();
        } catch (ClassNotFoundException | SQLException e) {
            e.printStackTrace();
        }

    }
}
